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Does FORCE_ANSI_ALLOCATOR=1 works on Windows?

I am trying to use the FMallocAnsi on Windows by adding the following to my game module

 BuildEnvironment = TargetBuildEnvironment.Unique;
 GlobalDefinitions.Add("FORCE_ANSI_ALLOCATOR=1");

However, after building the engine I always get a crash in MessageContext.cpp

 FMessageContext::~FMessageContext()
 {
     if (Message != nullptr)
     {
         if (UScriptStruct* TypeInfoPtr = TypeInfo.Get())
         {
             TypeInfoPtr->DestroyStruct(Message);
         }
 
         FMemory::Free(Message);    // <<< Here
     }
 }

I am not using anything extra, to reproduce this just checkout the 4.22 branch, build it, create a new C++ project and add the two lines depicted at the beginning of this post and build the project. When launching the engine will crash.

So, the main question, does the ANSI Allocator work on Windows?

Product Version: UE 4.22
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asked Jul 23 '19 at 08:11 PM in C++ Programming

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mcleary
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